2015年职称英语考试理工类阅读理解训练及答案题解(5)_职称英语阅读理解

　　C When the technology of a new type of fuel cell is suitable for mass production.

　　D When the technology of mass producing cell phones appears.

　　2. What trouble did Minteer and Klotzhach have in their research?

　　A They had trouble keeping enzymes in fuel cells active.

　　B They had trouble keeping biological cells active.

　　C They had trouble producing fresh enzymes.

　　D They had trouble finding mechanism for producing enzymes.

　　3. According to Paragraph 5，electrons are released

　　A when bags of enzyme are embedded in the new fuel cell.

　　B when glucose from a sugary liquid goes through the enzyme.

　　C when the enzyme oxidizes the glucose from a sugary liquid that goes through a pocket.

　　D when the enzyme oxidizes the sugary liquid that goes through a pocket.

　　4. What is exciting about the new fuel cells?

　　A Their limitless power generation capacity is amazing.

　　B Their limited power generation capacity is a good beginning.

　　C Their limited power generation capacity is the result of great efforts.

　　D Their limitless power generation capacity is a major accomplishment,

　　5. According to the last paragraph，what is NOT true of the new fuel cells?

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